traversal

package
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 Go to latest Published: Jan 29, 2018 License: Apache-2.0 Imports: 15 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func TopologyGremlinQuery 

func TopologyGremlinQuery(g *graph.Graph, query string) (traversal.GraphTraversalStep, error)

TopologyGremlinQuery run a gremlin query on the graph g without any extension

Types

type AggregatesGremlinTraversalStep 

type AggregatesGremlinTraversalStep struct {
	// contains filtered or unexported fields
}

AggregatesGremlinTraversalStep aggregates step

func (*AggregatesGremlinTraversalStep) Context 

func (a *AggregatesGremlinTraversalStep) Context() *traversal.GremlinTraversalContext

Context Aggregates step

func (*AggregatesGremlinTraversalStep) Exec 

func (a *AggregatesGremlinTraversalStep) Exec(last traversal.GraphTraversalStep) (traversal.GraphTraversalStep, error)

Exec Aggregates step

func (*AggregatesGremlinTraversalStep) Reduce 

func (a *AggregatesGremlinTraversalStep) Reduce(next traversal.GremlinTraversalStep) traversal.GremlinTraversalStep

Reduce Aggregates step

type BpfGremlinTraversalStep 

type BpfGremlinTraversalStep struct {
	// contains filtered or unexported fields
}

BpfGremlinTraversalStep step

func (*BpfGremlinTraversalStep) Context 

func (s *BpfGremlinTraversalStep) Context() *traversal.GremlinTraversalContext

Context of BPF step

func (*BpfGremlinTraversalStep) Exec 

func (s *BpfGremlinTraversalStep) Exec(last traversal.GraphTraversalStep) (traversal.GraphTraversalStep, error)

Exec BPF step

func (*BpfGremlinTraversalStep) Reduce 

func (s *BpfGremlinTraversalStep) Reduce(next traversal.GremlinTraversalStep) traversal.GremlinTraversalStep

Reduce BPF step

type CaptureNodeGremlinTraversalStep 

type CaptureNodeGremlinTraversalStep struct {
	// contains filtered or unexported fields
}

CaptureNodeGremlinTraversalStep capture step

func (*CaptureNodeGremlinTraversalStep) Context 

func (s *CaptureNodeGremlinTraversalStep) Context() *traversal.GremlinTraversalContext

Context step

func (*CaptureNodeGremlinTraversalStep) Exec 

func (s *CaptureNodeGremlinTraversalStep) Exec(last traversal.GraphTraversalStep) (traversal.GraphTraversalStep, error)

Exec Capture step

func (*CaptureNodeGremlinTraversalStep) Reduce 

func (s *CaptureNodeGremlinTraversalStep) Reduce(next traversal.GremlinTraversalStep) traversal.GremlinTraversalStep

Reduce Capture step

type FlowGremlinTraversalStep 

type FlowGremlinTraversalStep struct {
	TableClient *flow.TableClient
	Storage     storage.Storage
	// contains filtered or unexported fields
}

FlowGremlinTraversalStep a flow Gremlin language step

func (*FlowGremlinTraversalStep) Context 

func (s *FlowGremlinTraversalStep) Context() *traversal.GremlinTraversalContext

Context flow step

func (*FlowGremlinTraversalStep) Exec 

func (s *FlowGremlinTraversalStep) Exec(last traversal.GraphTraversalStep) (traversal.GraphTraversalStep, error)

Exec flow step

func (*FlowGremlinTraversalStep) Reduce 

func (s *FlowGremlinTraversalStep) Reduce(next traversal.GremlinTraversalStep) traversal.GremlinTraversalStep

Reduce flow step

type FlowTraversalExtension 

type FlowTraversalExtension struct {
	FlowToken        traversal.Token
	HopsToken        traversal.Token
	NodesToken       traversal.Token
	CaptureNodeToken traversal.Token
	AggregatesToken  traversal.Token
	RawPacketsToken  traversal.Token
	BpfToken         traversal.Token
	TableClient      *flow.TableClient
	Storage          storage.Storage
}

FlowTraversalExtension describes flows in a graph Gremlin language extension

func NewFlowTraversalExtension 

func NewFlowTraversalExtension(client *flow.TableClient, storage storage.Storage) *FlowTraversalExtension

NewFlowTraversalExtension creates a new flow tranversal extension for Gremlin parser

func (*FlowTraversalExtension) ParseStep 

func (e *FlowTraversalExtension) ParseStep(t traversal.Token, p traversal.GremlinTraversalContext) (traversal.GremlinTraversalStep, error)

ParseStep creates steps from token

func (*FlowTraversalExtension) ScanIdent 

func (e *FlowTraversalExtension) ScanIdent(s string) (traversal.Token, bool)

ScanIdent tokenize the step

type FlowTraversalStep 

type FlowTraversalStep struct {
	GraphTraversal *traversal.GraphTraversal
	Storage        storage.Storage
	// contains filtered or unexported fields
}

FlowTraversalStep a flow step linked to a storage

func (*FlowTraversalStep) Both 

func (f *FlowTraversalStep) Both(s ...interface{}) *traversal.GraphTraversalV

Both returns A and B nodes

func (*FlowTraversalStep) CaptureNode 

func (f *FlowTraversalStep) CaptureNode(s ...interface{}) *traversal.GraphTraversalV

CaptureNode step

func (*FlowTraversalStep) Count 

func (f *FlowTraversalStep) Count(s ...interface{}) *traversal.GraphTraversalValue

Count step

func (*FlowTraversalStep) Dedup 

func (f *FlowTraversalStep) Dedup(keys ...interface{}) *FlowTraversalStep

Dedup deduplicate step

func (*FlowTraversalStep) Error 

func (f *FlowTraversalStep) Error() error

Error returns tranversal error

func (*FlowTraversalStep) FlowMetrics 

func (f *FlowTraversalStep) FlowMetrics() *MetricsTraversalStep

FlowMetrics returns flow metric counters

func (*FlowTraversalStep) Has 

func (f *FlowTraversalStep) Has(s ...interface{}) *FlowTraversalStep

Has step

func (*FlowTraversalStep) Hops 

func (f *FlowTraversalStep) Hops(s ...interface{}) *traversal.GraphTraversalV

Hops returns all the capture nodes where the flow was seen

func (*FlowTraversalStep) In 

func (f *FlowTraversalStep) In(s ...interface{}) *traversal.GraphTraversalV

In returns the A node

func (*FlowTraversalStep) MarshalJSON 

func (f *FlowTraversalStep) MarshalJSON() ([]byte, error)

MarshalJSON serialize in JSON

func (*FlowTraversalStep) Nodes 

func (f *FlowTraversalStep) Nodes(s ...interface{}) *traversal.GraphTraversalV

Nodes returns A, B and the capture nodes

func (*FlowTraversalStep) Out 

func (f *FlowTraversalStep) Out(s ...interface{}) *traversal.GraphTraversalV

Out returns the B node

func (*FlowTraversalStep) PropertyKeys 

func (f *FlowTraversalStep) PropertyKeys(keys ...interface{}) *traversal.GraphTraversalValue

PropertyKeys returns a flow field

func (*FlowTraversalStep) PropertyValues 

func (f *FlowTraversalStep) PropertyValues(keys ...interface{}) *traversal.GraphTraversalValue

PropertyValues returns a flow field value

func (*FlowTraversalStep) RawPackets 

func (f *FlowTraversalStep) RawPackets() *RawPacketsTraversalStep

RawPackets searches for RawPacket based on previous flow filter from either agents or datastore.

func (*FlowTraversalStep) Sort 

func (f *FlowTraversalStep) Sort(keys ...interface{}) *FlowTraversalStep

Sort step

func (*FlowTraversalStep) Sum 

func (f *FlowTraversalStep) Sum(keys ...interface{}) *traversal.GraphTraversalValue

Sum aggregates integer values mapped by 'key' cross flows

func (*FlowTraversalStep) Values 

func (f *FlowTraversalStep) Values() []interface{}

Values returns list of flows

type HopsGremlinTraversalStep 

type HopsGremlinTraversalStep struct {
	// contains filtered or unexported fields
}

HopsGremlinTraversalStep hops step

func (*HopsGremlinTraversalStep) Context 

func (s *HopsGremlinTraversalStep) Context() *traversal.GremlinTraversalContext

Context hops step

func (*HopsGremlinTraversalStep) Exec 

func (s *HopsGremlinTraversalStep) Exec(last traversal.GraphTraversalStep) (traversal.GraphTraversalStep, error)

Exec hops step

func (*HopsGremlinTraversalStep) Reduce 

func (s *HopsGremlinTraversalStep) Reduce(next traversal.GremlinTraversalStep) traversal.GremlinTraversalStep

Reduce hops step

type MetricsGremlinTraversalStep 

type MetricsGremlinTraversalStep struct {
	// contains filtered or unexported fields
}

func (*MetricsGremlinTraversalStep) Context 

func (s *MetricsGremlinTraversalStep) Context() *traversal.GremlinTraversalContext

func (*MetricsGremlinTraversalStep) Exec 

func (s *MetricsGremlinTraversalStep) Exec(last traversal.GraphTraversalStep) (traversal.GraphTraversalStep, error)

Exec executes the metrics step

func (*MetricsGremlinTraversalStep) Reduce 

func (s *MetricsGremlinTraversalStep) Reduce(next traversal.GremlinTraversalStep) traversal.GremlinTraversalStep

Reduce flow step

type MetricsTraversalExtension 

type MetricsTraversalExtension struct {
	MetricsToken traversal.Token
}

MetricsTraversalExtension describes a new extension to enhance the topology

func NewMetricsTraversalExtension 

func NewMetricsTraversalExtension() *MetricsTraversalExtension

NewMetricsTraversalExtension returns a new graph traversal extension

func (*MetricsTraversalExtension) ParseStep 

func (e *MetricsTraversalExtension) ParseStep(t traversal.Token, p traversal.GremlinTraversalContext) (traversal.GremlinTraversalStep, error)

ParseStep parse metrics step

func (*MetricsTraversalExtension) ScanIdent 

func (e *MetricsTraversalExtension) ScanIdent(s string) (traversal.Token, bool)

ScanIdent returns an associated graph token

type MetricsTraversalStep 

type MetricsTraversalStep struct {
	GraphTraversal *traversal.GraphTraversal
	// contains filtered or unexported fields
}

MetricsTraversalStep traversal step metric interface counters

func InterfaceMetrics 

func InterfaceMetrics(tv *traversal.GraphTraversalV) *MetricsTraversalStep

InterfaceMetrics returns a Metrics step from interface metric metadata

func NewMetricsTraversalStep 

func NewMetricsTraversalStep(gt *traversal.GraphTraversal, metrics map[string][]common.Metric, err error) *MetricsTraversalStep

NewMetricsTraversalStep creates a new tranversal metric step

func (*MetricsTraversalStep) Aggregates 

func (m *MetricsTraversalStep) Aggregates() *MetricsTraversalStep

Aggregates merges multiple metrics array into one by summing overlapping metrics. It returns a unique array will all the aggregated metrics.

func (*MetricsTraversalStep) Count 

func (m *MetricsTraversalStep) Count(s ...interface{}) *traversal.GraphTraversalValue

Count step

func (*MetricsTraversalStep) Error 

func (m *MetricsTraversalStep) Error() error

Error returns error present at this step

func (*MetricsTraversalStep) MarshalJSON 

func (m *MetricsTraversalStep) MarshalJSON() ([]byte, error)

MarshalJSON serialize in JSON

func (*MetricsTraversalStep) Sum 

func (m *MetricsTraversalStep) Sum(keys ...interface{}) *traversal.GraphTraversalValue

Sum aggregates integer values mapped by 'key' cross flows

func (*MetricsTraversalStep) Values 

func (m *MetricsTraversalStep) Values() []interface{}

Values returns the graph metric values

type NodesGremlinTraversalStep 

type NodesGremlinTraversalStep struct {
	// contains filtered or unexported fields
}

NodesGremlinTraversalStep nodes step

func (*NodesGremlinTraversalStep) Context 

func (s *NodesGremlinTraversalStep) Context() *traversal.GremlinTraversalContext

Context Nodes step

func (*NodesGremlinTraversalStep) Exec 

func (s *NodesGremlinTraversalStep) Exec(last traversal.GraphTraversalStep) (traversal.GraphTraversalStep, error)

Exec Nodes step

func (*NodesGremlinTraversalStep) Reduce 

func (s *NodesGremlinTraversalStep) Reduce(next traversal.GremlinTraversalStep) traversal.GremlinTraversalStep

Reduce Nodes step

type RawPacketsGremlinTraversalStep 

type RawPacketsGremlinTraversalStep struct {
	// contains filtered or unexported fields
}

RawPacketsGremlinTraversalStep rawpackets step

func (*RawPacketsGremlinTraversalStep) Context 

func (r *RawPacketsGremlinTraversalStep) Context() *traversal.GremlinTraversalContext

Context RawPackets step

func (*RawPacketsGremlinTraversalStep) Exec 

func (r *RawPacketsGremlinTraversalStep) Exec(last traversal.GraphTraversalStep) (traversal.GraphTraversalStep, error)

Exec RawPackets step

func (*RawPacketsGremlinTraversalStep) Reduce 

func (r *RawPacketsGremlinTraversalStep) Reduce(next traversal.GremlinTraversalStep) traversal.GremlinTraversalStep

Reduce RawPackets step

type RawPacketsTraversalStep 

type RawPacketsTraversalStep struct {
	GraphTraversal *traversal.GraphTraversal
	// contains filtered or unexported fields
}

RawPacketsTraversalStep rawpackets step

func (*RawPacketsTraversalStep) BPF 

func (r *RawPacketsTraversalStep) BPF(s ...interface{}) *RawPacketsTraversalStep

BPF returns only the raw packets that matches the specified BPF filter

func (*RawPacketsTraversalStep) Error 

func (r *RawPacketsTraversalStep) Error() error

Error returns tranversal error

func (*RawPacketsTraversalStep) MarshalJSON 

func (r *RawPacketsTraversalStep) MarshalJSON() ([]byte, error)

MarshalJSON serialize in JSON

func (*RawPacketsTraversalStep) Values 

func (r *RawPacketsTraversalStep) Values() []interface{}

Values returns list of raw packets

Source Files

  • flows.go
  • metrics.go
  • token.go
  • topology.go

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